I don't know if these are the same, but maybe...they are in my line too.
Margaret Mackie
b. 1785
d. 1857
Parents:
Father: Thomas MacKie
Mother: Margaret Walker
Family:
Marriage:1 MAR 1806 Longside, ABD, SCT
Spouse: Alexander Greig
b. 2 JAN 1786 Old Deer (North Towy) ABD, SCT
d. 15 SEP 1869 Ellishill, SCT
Parents:
Father: James Greig
Mother: Jean Simpson